Kaze Densetsu Bukkomi no Taku

Before he knew it, Taku Asakawa's position at school had become that of the "bullied kid." In the midst of this miserable existence, he met Hideto-kun, who was overwhelmingly strong! "I want to be as strong as him." he thought, so he's going to join Hideto's gang, starting today!

(Source: Yanmaga, translated)